Correct! you don't need a doctor's note. But be careful of what you download from the Web, emails, or mobile devices. Always make sure a virus protection program is installed on your computer first before downloading Anything! Some files contain viruses that cause serious problems to a computer.
The 3 Don'ts when downloading:
1. Open an email or text attachment unless you know whom it's from and what the is in the file.
2. Download files without permission.
3. Disable virus-protection software on computers, or use public WiFi on personal devices very often or for long periods of time.